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5.2 Data Flow Diagrams (Dfds) With Complete Solutions Latest Update
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5.2 Data Flow Diagrams (Dfds) With Complete Solutions Latest Update
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5.2 Data Flow Diagrams (Dfds) With CompleteSolutions Latest Update
What can a data flow diagram be used for - correct answers During system
investigations to record findings
To illstruate how a system will work
To outline the speficiafions of a new system
What is the sink in relation to data - correct answers Where the data goes to
What are the processes within the data flow diagrams? - correct answers They do
something with the data
What are the data stores within the data flow diagrams ? - correct answers Any
store of data on the system
What are the data flows on the data flow diagram? - correct answers Data flow
between entities and processes
When drawing a level 1 Data flow diagram (DFD) how many input and outputs
should there be per external entity ? - correct answers One
When drawing a level 1 data flow diagram (DFD) what way should the data be
flowing? - correct answers In one direction
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